Umi-Budo Diagram (image) Okinawa Institute of Science and Technology (OIST) Graduate University Share Print E-Mail Caption The bubbly fronds and the stem-like stolons are the two main structures found in umi-budo. Both these structures are formed by just one gigantic cell. Credit OIST Graduate University Usage Restrictions With credit Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.